activity
20192026
most citedA Rotation-based Method for Precoding in Gaussian MIMOME Channels

9 citations · 9 across the 11 of their papers we have counts for

collaborators

12 papers

math.OC2026

Near-Optimal Convex Optimization with Lazy Second-Order Oracles

Xinliang Zhang, Lesi Chen, Chengchang Liu +1

This paper studies the complexity of convex optimization using lazy second-order oracles (Doikov, Chayti, and Jaggi, ICML 2023), where an algorithm queries gradients every iteratio…

math.OC2026

Optimal High-Order Methods for Solving Monotone Variational Inequalities

Xinliang Zhang, Lesi Chen, Linxuan Pan +3

We study second- and higher-order methods for solving smooth monotone variational inequalities (MVI). Monteiro and Svaiter (SIAM J. Optim., 2012) showed that a second-order method,…

math.OC2026

Halpern Iteration Achieves th-Order Oracle Complexity for Monotone Variational Inequalities

Lesi Chen, Xinliang Zhang, Hengyu Wang +3

We study second- and higher-order methods for solving smooth monotone variational inequalities (MVI). Monteiro and Svaiter (SIAM J. Optim., 2012) showed that a second-order method,…

math.OC2026

Solving Convex-Concave Problems with th-Order Oracle Complexity

Lesi Chen, Xinliang Zhang, Chengchang Liu +3

When the objective has Lipschitz continuous th-order derivatives, it is known that convex-concave minimax problems can be solved with th-order ora…

cs.IT2025

Interference-Aware Super-Constellation Design for NOMA

Mojtaba Vaezi, Xinliang Zhang

Non-orthogonal multiple access (NOMA) has gained significant attention as a potential next-generation multiple access technique. However, its implementation with finite-alphabet in…

cs.IT2023

Deep Autoencoder-based Z-Interference Channels with Perfect and Imperfect CSI

Xinliang Zhang, Mojtaba Vaezi

A deep autoencoder (DAE)-based structure for endto-end communication over the two-user Z-interference channel (ZIC) with finite-alphabet inputs is designed in this paper. The propo…

cs.IT2023

Interference-Aware Constellation Design for Z-Interference Channels with Imperfect CSI

Xinliang Zhang, Mojtaba Vaezi, Lizhong Zheng

A deep autoencoder (DAE)-based end-to-end communication over the two-user Z-interference channel (ZIC) with finite-alphabet inputs is designed in this paper. The design is for impe…

cs.IT2021

Complex Rotation-based Linear Precoding for Physical Layer Multicasting and SWIPT

Xinliang Zhang, Mojtaba Vaezi

With the goal of improving spectral efficiency, complex rotation-based precoding and power allocation schemes are developed for two multiple-input multiple-output (MIMO) communicat…

cs.IT2021

SVD-Embedded Deep Autoencoder for MIMO Communications

Xinliang Zhang, Mojtaba Vaezi, Timothy J. O'Shea

Using a deep autoencoder (DAE) for end-to-end communication in multiple-input multiple-output (MIMO) systems is a novel concept with significant potential. DAE-aided MIMO has been…

cs.LG2020

Multi-Objective DNN-based Precoder for MIMO Communications

Xinliang Zhang, Mojtaba Vaezi

This paper introduces a unified deep neural network (DNN)-based precoder for two-user multiple-input multiple-output (MIMO) networks with five objectives: data transmission, energy…

cs.IT2019

Deep Learning based Precoding for the MIMO Gaussian Wiretap Channel

Xinliang Zhang, Mojtaba Vaezi

A novel precoding method based on supervised deep neural networks is introduced for the multiple-input multiple-output Gaussian wiretap channel. The proposed deep learning (DL)-bas…

cs.IT2019★ 9 cited

A Rotation-based Method for Precoding in Gaussian MIMOME Channels

Xinliang Zhang, Yue Qi, Mojtaba Vaezi

The problem of maximizing secrecy rate of multiple-input multiple-output multiple-eavesdropper (MIMOME) channels with arbitrary numbers of antennas at each node is studied in this…